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Course Outline
Decentralized Communication Sovereignty
- The risks centralized chat poses to data governance.
- Overview of the Matrix protocol: rooms, events, and federation.
- Homeserver options: Synapse versus Dendrite.
Homeserver Deployment
- Setting up a Docker Compose stack with Synapse, PostgreSQL, and Element Web.
- Configuring a reverse proxy using Nginx and LetsEncrypt.
- Federation configuration: .well-known delegation and port 8448.
Authentication and Identity
- Local authentication, LDAP integration, and OpenID Connect.
- User registration policies and guest access control.
- SSO implementation with Keycloak, Authentik, or Authelia.
End-to-End Encryption
- Cross-signing and device verification workflows.
- Key backup and recovery procedures for lost devices.
- Admin implications regarding encrypted rooms and export rules.
Spaces, Rooms, and Bridges
- Structuring enterprise spaces to accommodate departments and projects.
- Utilizing IRC, Slack, and Telegram bridges for inter-team communication.
- Leveraging threading, reactions, and bots for automation.
Security and Moderation
- Using the Admin API for user management, room shutdowns, and data deletion.
- Privacy settings: message retention, redaction, and media purging.
- Implementing rate limiting and CAPTCHA to mitigate spam registrations.
Maintenance and Scaling
- Postgres maintenance tasks: vacuuming, indexing, and long-term retention strategies.
- Sizing media repositories and offloading to S3.
- Monitoring via Prometheus and defining logging retention policies.
Requirements
- Intermediate knowledge of Linux system administration and basics of Docker.
- Understanding of federated messaging and HTTPS.
- Familiarity with web proxy configuration (Nginx/Apache).
Audience
- Enterprise IT teams seeking to replace Slack, Teams, or Discord with sovereign messaging solutions.
- Regulated industries: healthcare, finance, and defense.
- Proponents of decentralization and privacy-focused organizations.
14 Hours
